We end our visit to the Metropolitan Museum of Art on the museum's Roof Garden.

VOA: special.2010.08.04

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

But of course, during the summer, 'cause it's, there's no roof on it, so

但是当然，因为它没有房顶，所以在夏天

莎士比亚环球剧院 - SpeakingMax英语口语达人

Depending how visible they are on a home's roof, the panels can hurt its curb appeal.

WSJ: Green Goes Mainstream for New Homes��WSJ Mansion

The pulled handle would fire a small rocket through the airplane's roof and release the parachute.

FORBES: Magazine Article

To get the set onto the hotel's roof, the producers used a 300-foot construction crane.

WSJ: How 'Man on a Ledge' Found Its Perch